Enhancing the hierarchy and octant sensitivity of ESS?SB in conjunction with T2K, NO?A and ICAL@INO

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dc.contributor.author Chakraborty, Kaustav
dc.contributor.author Goswami, Srubabati
dc.contributor.author Gupta, Chandan
dc.contributor.author Thakore, Tarak
dc.date.accessioned 2019-06-19T11:12:56Z
dc.date.available 2019-06-19T11:12:56Z
dc.date.issued 2019-05
dc.identifier.citation Chakraborty, Kaustav; Goswami, Srubabati; Gupta, Chandan and Thakore, Tarak, "Enhancing the hierarchy and octant sensitivity of ESS?SB in conjunction with T2K, NO?A and ICAL@INO", Journal of High Energy Physics, DOI: 10.1007/JHEP05(2019)137, vol. 2019, no. 5, May 2019. en_US
dc.identifier.issn 1029-8479
dc.identifier.uri https://doi.org/10.1007/JHEP05(2019)137
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/4519
dc.description.abstract The main aim of the ESS?SB proposal is the discovery of the leptonic CP phase ?CP with a high significance (5? for 50% values of ?CP) by utilizing the physics at the second oscillation maxima of the P?e channel. It can achieve 3? sensitivity to hierarchy for all values of ?CP. In this work, we concentrate on the hierarchy and octant sensitivity of the ESS?SB experiment. We show that combining the ESS?SB experiment with the atmospheric neutrino data from the proposed India-based Neutrino Observatory (INO) experiment can result in an increased sensitivity to mass hierarchy. In addition, we also combine the results from the ongoing experiments T2K and NO?a assuming their full run-time and present the combined sensitivity of ESS?SB + ICAL@INO + T2K + NO?A. We show that while by itself ESS?SB can have up to 3? hierarchy sensitivity, the combination of all the experiments can give up to 5? sensitivity depending on the true hierarchy-octant combination. The octant sensitivity of ESS?SB is low by itself. However the combined sensitivity of all the above experiments can give up to 3? sensitivity depending on the choice of true hierarchy and octant. We discuss the various degeneracies and the synergies that lead to the enhanced sensitivity when combining different experimental data.
dc.description.statementofresponsibility by Kaustav Chakraborty, Srubabati Goswami, Chandan Gupta and Tarak Thakore
dc.format.extent vol. 2019, no. 5
dc.language.iso en en_US
dc.publisher Springer en_US
dc.subject Neutrino Physics en_US
dc.subject Beyond Standard Model en_US
dc.subject CP violation en_US
dc.title Enhancing the hierarchy and octant sensitivity of ESS?SB in conjunction with T2K, NO?A and ICAL@INO en_US
dc.type Article en_US
dc.relation.journal Journal of High Energy Physics


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